ci: require agentcompat stress validation

Co-authored-by: naiba/CloudCode <hi+cloudcode@nai.ba>

integration/agentcompat/internal/workflowpolicy/nodes.go

@@ -0,0 +1,81 @@
+package workflowpolicy
+
+import (
+	"strconv"
+	"strings"
+
+	"gopkg.in/yaml.v3"
+)
+
+func mappingValue(mapping *yaml.Node, key string) (*yaml.Node, bool) {
+	if mapping == nil || mapping.Kind != yaml.MappingNode {
+		return nil, false
+	}
+	for index := 0; index < len(mapping.Content); index += 2 {
+		if mapping.Content[index].Value == key {
+			return mapping.Content[index+1], true
+		}
+	}
+	return nil, false
+}
+
+func mappingEntries(mapping *yaml.Node) [][2]*yaml.Node {
+	if mapping == nil || mapping.Kind != yaml.MappingNode {
+		return nil
+	}
+	entries := make([][2]*yaml.Node, 0, len(mapping.Content)/2)
+	for index := 0; index < len(mapping.Content); index += 2 {
+		entries = append(entries, [2]*yaml.Node{mapping.Content[index], mapping.Content[index+1]})
+	}
+	return entries
+}
+
+func scalarString(node *yaml.Node) (string, bool) {
+	if node == nil || node.Kind != yaml.ScalarNode || node.Tag != "!!str" {
+		return "", false
+	}
+	return node.Value, true
+}
+
+func explicitFalse(node *yaml.Node) bool {
+	if node == nil || node.Kind != yaml.ScalarNode || node.Tag != "!!bool" {
+		return false
+	}
+	return strings.EqualFold(strings.TrimSpace(node.Value), "false")
+}
+
+func positiveInteger(node *yaml.Node) bool {
+	if node == nil || node.Kind != yaml.ScalarNode || node.Tag != "!!int" {
+		return false
+	}
+	value, err := strconv.Atoi(node.Value)
+	return err == nil && value > 0
+}
+
+func walkScalars(node *yaml.Node, visit func(*yaml.Node)) {
+	if node.Kind == yaml.ScalarNode {
+		visit(node)
+	}
+	for _, child := range node.Content {
+		walkScalars(child, visit)
+	}
+}
+
+func walkMappings(node *yaml.Node, visit func(*yaml.Node)) {
+	if node.Kind == yaml.MappingNode {
+		visit(node)
+	}
+	for _, child := range node.Content {
+		walkMappings(child, visit)
+	}
+}
+
+func containsScalar(node *yaml.Node, expected string) bool {
+	found := false
+	walkScalars(node, func(scalar *yaml.Node) {
+		if scalar.Value == expected {
+			found = true
+		}
+	})
+	return found
+}